/*!
 * SelectNav.js (v. 0.1)
 * Converts your <ul>/<ol> navigation into a dropdown list for small screens
 */
window.selectnav = function () {
    "use strict";
    var a = function (a, b) {
        function l(a) {
            var b;
            a || (a = window.event), a.target ? b = a.target : a.srcElement && (b = a.srcElement), b.nodeType === 3 && (b = b.parentNode), b.value && (window.location.href = b.value)
        }

        function m(a) {
            var b = a.nodeName.toLowerCase();
            return b === "ul" || b === "ol"
        }

        function n(a) {
            for (var b = 1; document.getElementById("selectnav" + b); b++);
            return a ? "selectnav" + b : "selectnav" + (b - 1)
        }

        function o(a) {
            i++;
            var b = a.children.length, c = "", k = "", l = i - 1;
            if (!b)return;
            if (l) {
                while (l--)k += g;
                k += " "
            }
            for (var p = 0; p < b; p++) {
                var q = a.children[p].children[0], r = q.innerText || q.textContent, s = "";
                d && (s = q.className.search(d) !== -1 || q.parentElement.className.search(d) !== -1 ? j : ""), e && !s && (s = q.href === document.URL ? j : ""), c += '<option value="' + q.href + '" ' + s + ">" + k + r + "</option>";
                if (f) {
                    var t = a.children[p].children[1];
                    t && m(t) && (c += o(t))
                }
            }
            return i === 1 && h && (c = '<option value="">' + h + "</option>" + c), i === 1 && (c = '<select class="selectnav" id="' + n(!0) + '">' + c + "</select>"), i--, c
        }

        a = document.getElementById(a);
        if (!a)return;
        if (!m(a))return;
        document.documentElement.className += " js";
        var c = b || {}, d = c.activeclass || "active", e = typeof c.autoselect == "boolean" ? c.autoselect : !0, f = typeof c.nested == "boolean" ? c.nested : !0, g = c.indent || "→", h = c.label || "- Navigation -", i = 0, j = " selected ";
        a.insertAdjacentHTML("afterend", o(a));
        var k = document.getElementById(n());
        return k.addEventListener && k.addEventListener("change", l), k.attachEvent && k.attachEvent("onchange", l), k
    };
    return function (b, c) {
        a(b, c)
    }
}();